An Act to consolidate and amend the law relating to the Criminal Procedure.
PART VI - PROCEEDINGS IN PROSECUTIONS
CHAPTER XXIV - GENERAL PROVISIONS AS TO INQUIRIES AND TRIALS
340 3) Any person accused of an offence before a Criminal Court shall be a competent witness for the defence and may give evidence on oath in disproof of the charges made against him or any person charged together with him at the same trial:
Provided that-
(a) he shall not be called as a witness except on his own request in writing; or
(b) his failure to give evidence shall not be made the subject of any comment by any of the parties or the Court or give rise to any presumption against himself or any persons charged together with him at the same trial.
Fair trial standards
Rights during trial - conduct defence in person
Rights during trial - raise defences
Procedure for witness testimony - national proceedings
EDIT.